from flask import Blueprint,request,jsonify
import json
from db import db1

bp_course = Blueprint('course',__name__)

@bp_course.route('/couponM',methods=['POST',"GET",'PUT','DELETE'])
def couponM():
    #添加
    if request.method == "POST":
        #获取用户输入
        data = request.data
        if data:
            data = json.loads(data)
        else:
            data = request.form
        #构造sql语句
        sql = "insert into coupon values(0,'%s',%d,'%s','%s')"%(data['name'],int(data['total']),data['stime'],data['etime'])
        #pymysql
        db1.insert(sql)
        #返回结果
        return jsonify({'code':200})
    elif request.method == 'GET':
        #根据id获取信息
        id = request.args.get('id')
        sql = "select * from coupon where id=%d"%(int(id))
        res = db1.find(sql)
        return jsonify({"code":200,'coupon':res})
    elif request.method=='PUT':
        # 获取用户输入
        data=request.form
        # 构造sql语句  update 表名 set 字段名1=值,字段名2=值 where id =1
        sql="update coupon set name = '%s',total=%d,starttime='%s',endtime='%s' where id=%d"%(data['name'],
        int(data['total']),data['starttime'],data['endtime'],int(data['id']))
        db1.insert(sql)
        return jsonify({'code':200})
    elif request.method == 'DELETE':
        id = request.args.get('id')
        sql = 'delete from coupon where id=%d' % (int(id))
        db1.insert(sql)
        return jsonify({'code':200})